howtoubuntu.org

Find out what technologies howtoubuntu.org is using
Document Standards

Age HTTP Header - Original Server Response

Age HTTP Header - Original Server Response

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   The Age header contains the time in seconds the object has been in a proxy cache.


favicon.ico

favicon.ico

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   A favicon, also known as a shortcut icon, website icon, tab icon, URL icon, or bookmark icon, is a file containing one or more small icons, associated with a particular website or web page.

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HSTS - Browser HTTPS Only

HSTS - Browser HTTPS Only

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   The HTTP Strict-Transport-Security response header (often abbreviated as HSTS) lets a web site tell browsers that it should only be accessed using HTTPS, instead of using HTTP for 31536000 seconds


Internet Explorer Compatibility

Internet Explorer Compatibility

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   this website is supporting The highest supported document mode of the browser for Internet Explorer


Cache-Control Header Max-Age

Cache-Control Header Max-Age

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   Specifies the maximum amount of time a resource will be considered fresh. Contrary to Expires, this directive is relative to the time of the request. this website is having max-age=600 secs.


Meta Description

Meta Description

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   A meta description is a 160-character snippet, a meta tag in HTML, that summarizes a page`s content. this website is having meta description of the following : Ubuntu Tutorials and How to's


schema.org micro-markup

schema.org micro-markup

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   Schema.org is a collaborative, community activity with a mission to create, maintain, and promote schemas for structured data on the Internet, on web pages, in email messages, and beyond.

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NO Transform HTTP Cache-Control

NO Transform HTTP Cache-Control

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   No transformations or conversions should be made to the resource. The Content-Encoding, Content-Range, Content-Type headers must not be modified by a proxy.

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X-Cache HTTP Header

X-Cache HTTP Header

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   The resource was not in the website cache, and was pulled from the origin server like Varnish servers.


Vary Header Accept-Encoding

Vary Header Accept-Encoding

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   The Accept-Encoding request HTTP header advertises which content encoding, usually a compression algorithm, the client is able to understand. Using content negotiation, the server selects one of the proposals, uses it and informs the client of its choice with the Content-Encoding response header.

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XSS-Protection Header

XSS-Protection Header

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   The HTTP X-XSS-Protection response header is a feature of Internet Explorer, Chrome and Safari that stops pages from loading when they detect reflected cross-site scripting (XSS) attacks. Although these protections are largely unnecessary in modern browsers when sites implement a strong Content-Security-Policy that disables the use of inline JavaScript (`unsafe-inline`), they can still provide protections for users of older web browsers that don`t yet support CSP.




Document Encoding

Character Encoding :utf-8

Character Encoding :utf-8

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   This website is using utf-8 character encoding in HTML , character encoding is used to represent a repertoire of characters by some kind of encoding system.


Character Encoding :UTF-8

Character Encoding :UTF-8

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   This website is using UTF-8 character encoding in HTML , character encoding is used to represent a repertoire of characters by some kind of encoding system.


Gzip Content-Encoding

Gzip Content-Encoding

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   The Content-Encoding entity header is used to compress the media-type. When present, its value indicates which encodings were applied to the entity-body. It lets the client know how to decode in order to obtain the media-type referenced by the Content-Type header.


Chunked transfer encoding

Chunked transfer encoding

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   Chunked transfer encoding is a streaming data transfer mechanism available in version 1.1 of the Hypertext Transfer Protocol (HTTP). In chunked transfer encoding, the data stream is divided into a series of non-overlapping "chunks"




Email Hosting Providers

SPF

SPF

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   The Sender Policy Framework (SPF) is an email-authentication technique which is used to prevent spammers from sending messages on behalf of your domain. With SPF an organisation can publish authorized mail servers.

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Mobile

Viewport  - Width

Viewport - Width

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   The viewport is the user`s visible area of a web page. The viewport varies with the device, and will be smaller on a mobile phone than on a computer screen. Before tablets and mobile phones, web pages were designed only for computer screens, and it was common for web pages to have a static design and a fixed size.

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Viewport  - initial-scale

Viewport - initial-scale

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   The viewport is the user`s visible area of a web page. The viewport varies with the device, and will be smaller on a mobile phone than on a computer screen. Before tablets and mobile phones, web pages were designed only for computer screens, and it was common for web pages to have a static design and a fixed size.

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Viewport  - Mobile compatible

Viewport - Mobile compatible

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   The viewport is the user`s visible area of a web page. The viewport varies with the device, and will be smaller on a mobile phone than on a computer screen. Before tablets and mobile phones, web pages were designed only for computer screens, and it was common for web pages to have a static design and a fixed size.

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Language

English - Language

English - Language

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   this website is using English as a language parameter


English United State - Language

English United State - Language

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   this website is using English as a language parameter




Analytics and Tracking

Google Analytics

Google Analytics

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   Google Analytics is a web analytics service offered by Google that tracks and reports website traffic, currently as a platform inside the Google Marketing Platform brand.

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Content Delivery Network

JSDelivr

JSDelivr

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   JSDelivr (stylized as jsDelivr) is a free public CDN for open-source projects.

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Operating Systems and Servers

Nginx 1.18.0  On OS:Ubuntu

Nginx 1.18.0 On OS:Ubuntu

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   Nginx is a web server which can also be used as a reverse proxy, load balancer, mail proxy and HTTP cache. The software was created by Igor Sysoev and first publicly released in 2004. A company of the same name was founded in 2011 to provide support and Nginx plus paid software.

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Framworks

Varnish

Varnish

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   Varnish is an HTTP accelerator designed for content-heavy dynamic web sites as well as APIs. In contrast to other web accelerators, such as Squid, which began life as a client-side cache, or Apache and nginx, which are primarily origin servers, Varnish was designed as an HTTP accelerator.




Widgets

Twitter Cards

Twitter Cards

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   With Twitter Cards, you can attach rich photos, videos and media experiences to Tweets, helping to drive traffic to your website.




Web Servers

Server partial requests support

Server partial requests support

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   The Accept-Ranges response HTTP header is a marker used by the server to advertise its support of partial requests. The value of this field indicates the unit that can be used to define a range.




Advertising

Google Adsense

Google Adsense

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   Google AdSense is a program run by Google through which website publishers in the Google Network of content sites serve text, images, video, or interactive media advertisements that are targeted to the site content and audience




JavaScript Libraries and Functions

Facebook SDK

Facebook SDK

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   The Facebook SDK for JavaScript provides a rich set of client-side functionality


Twitter API

Twitter API

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   You can access Twitter via the web or your mobile device. To share information on Twitter as widely as possible




Document Standards

Age HTTP Header - Original Server Response

Age HTTP Header - Original Server Response

2023-05-08 / 2023-05-08

|

favicon.ico

favicon.ico

2023-05-08 / 2023-05-08

|

HSTS - Browser HTTPS Only

HSTS - Browser HTTPS Only (removed)

2021-08-01 / 2021-08-01

|

Internet Explorer Compatibility

Internet Explorer Compatibility (removed)

2021-08-01 / 2021-08-01

|

Cache-Control Header Max-Age

Cache-Control Header Max-Age

2023-05-08 / 2023-05-08

|

Meta Description

Meta Description (removed)

2021-08-01 / 2021-08-01

|

schema.org micro-markup

schema.org micro-markup

2023-05-08 / 2023-05-08

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NO Transform HTTP Cache-Control

NO Transform HTTP Cache-Control (removed)

2021-08-01 / 2021-08-01

|

X-Cache HTTP Header

X-Cache HTTP Header

2023-05-08 / 2023-05-08

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Vary Header Accept-Encoding

Vary Header Accept-Encoding

2021-08-01 / 2023-05-08

|

XSS-Protection Header

XSS-Protection Header (removed)

2021-08-01 / 2021-08-01

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Document Encoding

Character Encoding :utf-8

Character Encoding :utf-8

2023-05-08 / 2023-05-08

|

Character Encoding :UTF-8

Character Encoding :UTF-8 (removed)

2021-08-01 / 2021-08-01

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Gzip Content-Encoding

Gzip Content-Encoding

2021-08-01 / 2023-05-08

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Chunked transfer encoding

Chunked transfer encoding (removed)

2021-08-01 / 2021-08-01

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Email Hosting Providers

SPF

SPF

2023-05-08 / 2023-05-08

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Mobile

Viewport  - Width

Viewport - Width

2021-08-01 / 2023-05-08

|

Viewport  - initial-scale

Viewport - initial-scale

2021-08-01 / 2023-05-08

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Viewport  - Mobile compatible

Viewport - Mobile compatible

2021-08-01 / 2023-05-08

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Language

English - Language

English - Language (removed)

2021-08-01 / 2021-08-01

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English United State - Language

English United State - Language

2023-05-08 / 2023-05-08

|

English - Language

English - Language

2023-05-08 / 2023-05-08

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Analytics and Tracking

Google Analytics

Google Analytics (removed)

2021-08-01 / 2021-08-01

|



Content Delivery Network

JSDelivr

JSDelivr (removed)

2021-08-01 / 2021-08-01

|



Operating Systems and Servers

Nginx 1.18.0  On OS:Ubuntu

Nginx 1.18.0 On OS:Ubuntu (removed)

2021-08-01 / 2021-08-01

|



Framworks

Varnish

Varnish

2023-05-08 / 2023-05-08

|



Widgets

Twitter Cards

Twitter Cards

2023-05-08 / 2023-05-08

|



Web Servers

Server partial requests support

Server partial requests support

2023-05-08 / 2023-05-08

|



Advertising

Google Adsense

Google Adsense (removed)

2021-08-01 / 2021-08-01

|



JavaScript Libraries and Functions

Facebook SDK

Facebook SDK (removed)

2021-08-01 / 2021-08-01

|

Twitter API

Twitter API (removed)

2021-08-01 / 2021-08-01

|



Profile Details

Last technolgie detected on 2023-05-08 We know of 30 technologies on howtoubuntu.org and 31 technologies detected on howtoubuntu.org since 2021-08-01.




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